0.8 W/m²K U-value

Ultra low heat loss

Reduced CO2 emissions

The UK's first zero carbon home compliant PVCU casement window

Achieve up to Code for Sustainable Homes level 6 with a traditionally styled high-performance casement window – ideal for replacement and newbuild installation.

Triple glazed and delivering a solar factor "g" of 0.6 W/m2K, the new Sheerframe HED (Homogenous Energy Dynamics) window is BS7950 security kitemarked – and makes zero carbon housing a reality today.

Like all Sheerframe windows and doors it is manufactured in the UK using lead-free calcium organic stabilisers, and is available via a network of specialist fabricators and installers.

Other zero carbon window styles are available including tilt and turn and inward opening.

Click here to download a leaflet and learn more about Sheerframe's ultra low U-value windows.